Does riding a bike really help the environment? Mr. Green at the Sierra Club says don't over think it, but a couple of folks trying to measure the energy cycling uses aren't quite sure. There are plenty of excuses for not to riding your bike, but is there a rationale? If you want a go at calculating this yourself, here's a handy guide to the variables.
posted on May 14, 2008 - View this thread

The average American uses 20 pounds of coal a day. "our shiny white iPod economy is propped up by dirty black rocks.. I see more people dying of particle air pollution than are dying of AIDS." Coal accounts for nearly 40 percent of America's carbon dioxide emissions. Big Coal by Jeff Goodell.
posted on Jun 24, 2006 - View this thread

The jolly green Hummer? The growing band of environmental offset companies which give you the chance to offload your SUV driving, energy squandering guilt onto an annual subscription and a fancy bumper sticker looks like one way that we'll be able to live with ourselves in the power hungry 21st century. Is this the placebo we've all been waiting for?
posted on Jan 13, 2006 - View this thread

Eprida: using biomass to produce hydrogen, reduce the emissions of coal-fired power plants, and suck CO2 out of the atmosphere, all while improving agricultural productivity. A new virtuous cycle (flash)?
posted on Jun 24, 2005 - View this thread